https://bugs.webkit.org/show_bug.cgi?id=20954

        Roll out r36628 since it has caused horrible regressions with
        animated GIF CPU usage.

        * platform/graphics/BitmapImage.cpp:
        (WebCore::BitmapImage::cacheFrame):
        (WebCore::BitmapImage::startAnimation):
        * platform/graphics/BitmapImage.h:
        (WebCore::FrameData::FrameData):
        * platform/graphics/cairo/ImageCairo.cpp:
        (WebCore::FrameData::clear):
        * platform/graphics/cg/ImageCG.cpp:
        (WebCore::FrameData::clear):
        * platform/graphics/qt/ImageQt.cpp:
        (WebCore::FrameData::clear):
        * platform/graphics/wx/ImageWx.cpp:
        (WebCore::FrameData::clear):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@36702 268f45cc-cd09-0410-ab3c-d52691b4dbfc